Mark B. Sheppard
Philadelphia Office

1735 Market Street
21st Floor
Philadelphia, PA 19103-7505

P: 215-772-7235
F: 215-772-7620


Mark B. Sheppard is co-chair of Montgomery McCracken’s White Collar Practice Group. He focuses his practice on white collar criminal defense, U.S. Securities and Exchange Commission Enforcement and complex commercial civil litigation.

Mark has represented corporations, public officials and individuals in matters involving federal, state and administrative enforcement activity, including federal criminal investigations, SEC enforcement actions and government initiated civil proceedings. He also regularly counsels clients on conducting internal investigations and implementation of corporate compliance policies.

Mark also has a broad base of civil trial and appellate experience. He also regularly represents parties in complex commercial matters, including actions grounded in fraud and in connection with other business torts. He has tried a number of cases in both state and federal courts and argued appeals before the Pennsylvania Supreme and Superior Courts and the U.S. Court of Appeals for the Third Circuit. Recent bankruptcy litigation experience includes: (1) overseeing the investigation of and ultimately obtaining court approval to bring a $1.5 billion fraudulent conveyance/ breach of fiduciary duty claim against the debtor’s multi-national parent, and (2) co-lead trial counsel for asbestos creditor’s committee, resulting in a finding of estimated liability on the part of the debtor of in excess of $1.1 billion.

Selected Publications



Selected Speaking Engagements

  • Presented testimony before the P.A. Senate Judiciary Committee regarding Effective Indigent Defense Legal Representation, April 2014
  • Moderator, “White Collar Practice,” The Pennsylvania Association of Criminal Defense Lawyers, November 2013, Philadelphia, Pa.
  • Presenter, “2013 For the Experienced,” The Pennsylvania Association of Criminal Defense Lawyers, October 2013, Philadelphia, Pa.
  • Speaker, “Defending the White Collar Case,” Pennsylvania Bar Institute, March 2012
  • Presented testimony before the U.S. Senate Committee on the Judiciary, The Thompson Memorandum’s Effect on the Right to Counsel in Corporate Investigations, September 2006

Community Involvement

  • Lawyers Concerned for Lawyers of Pennsylvania
    • Board of directors
    • Executive Committee Member
  • Mirmont Treatment Center
    • Board of directors
  • M. Patricia Carroll Fund
    • Board of directors

Honors & Awards

Professional Activities & Achievements

  • National Association of Criminal Defense Lawyers
  • Joint State Government Commission’s Advisory Committee on the Philadelphia Court System
  • American Bar Association
    • White Collar Section
  • Federal Bar Association
    • White Collar Section
  • Philadelphia Bar Association
    • White Collar Section
    • Lawyers Assistance Committee
  • Pennsylvania Association of Criminal Defense Lawyers
    • Past President
    • Executive Committee Member
  • Judge Pro Tempore for the Philadelphia County Court of Common Pleas
  • Pennsylvania Commission on Sentencing

Academic Achievements

Mark received a J.D. degree, with honors, from the Dickinson School of Law where he served on the Dickinson Law Review. He is a graduate from Lehigh University.